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Solar panel Manufacturer In Noida and What Is EPC Solution?

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Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photo-voltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.

It is an important source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending on how they capture and distribute solar energy or convert it into solar power. Active solar techniques include the use of photovoltaic systems, concentrated solar power and solar water heating to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light-dispersing properties, and designing spaces that naturally circulate air.

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Posted on Nov 10, 2018


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Panel will not put out more than 1.7 volts in direct sunlight


It sounds like the panel's tabs were wired incorrectly or incompletely. I recommend you get a new solar panel since it seems like only one cell is outputting voltage for you now (2v cell). If possible, have the manufacturer warranty it for you since it should be putting out in excess of 14 volts in direct sunlight on a cold day.

Let me know if you have any other questions.


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Do solar panels get weeker over time?

You are correct they do lose the output over time. .Not knowing the specific type or brand of the panels the following is a general over all reply.

The manufacturer will give the specific amounts the panels will lose their efficiency. Newer panels I believe will 2-4% the first year then something like 1% per year. Newer panels usually have a life of 20 years. I am not sure about the smaller panels you have but I would guess they may be a little faster especially if your putting them up and down constaly.

Also make sure you clean them, that will make a very substantial difference especially since they are smaller in size and I am sure you know that shade on ANY PART of the panel may eliminate total sections of the panel producing power, depending on the type of [panels you have. Also check for scratches where you might be able to light through the panels as that may affect the output.

I would suggest a google search for manufacturer and model # and then review the spec sheets for the item. That is were you would find the information.If you don't and the company is still in business send them an email and they will let you know.

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Using a battery/volt meter, check if the battery has a full charge. Also check if there is an on/off switch on the back of the solar panel. If the batteries are removable and are standard batteries, charge them using an AC battery charger the first time. If not, you may have a defective solar panel and should return it to the store/manufacturer.

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Depending on the manufacturer, your solar panels may be replaced under warranty. Our installer says that once the panels begin leaking, they tend to deteriorate fairly rapidly. For example, three leaks the first year, 7 leaks the second year, 30 leaks the third year.

Many solar panels are warrantied against freezing, but that is not likely to be the future of the warranties, because they inevitably DO freeze and leak.

If there are just a few leaks, it is easier to fix them - a Fafco Solar panel repair kit can usually be bought from your installer for about $25.00.

If you turned the pump on to manual to circulate the water through the panels, that should prevent a freeze - but will cost you the electrical cost to run the pump.

Our experience has been that it is better NOT to drain the panels - we had many fewer leaks the years we have not drained the panels, despite occasional hard freezes in our part of California.

In addition, your rooftop installation should help radiate some heat up to the panels to keep them from freezing.

Check your warranty and get the panels replaced if there are more than a few leaks.

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Running water through them all night would prevent them from freezing, but it wouldnt help the cause, as it would be cooling the water and using electricity. When I installed solar panels I used isolation valves, and simple drains that were to be opened to allow the water to drain out. Glycol does not enhance the heat transfer, as plain water is best - it is only for antifreeze. And you dont want anitfreeze in your pool.....

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The Spotlight kit should still be under warranty for at least a year through the manufacturer. Check your manual and contact the manufacturer. The problem might be the seal which is allowing water in and therefore it needs to be replaced

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